13225220311 has 4 divisors (see below), whose sum is σ = 13329356032. Its totient is φ = 13121084592.

The previous prime is 13225220299. The next prime is 13225220401. The reversal of 13225220311 is 11302252231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13225220311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225220011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52067670 + ... + 52067923.

It is an arithmetic number, because the mean of its divisors is an integer number (3332339008).

Almost surely, 2^13225220311 is an apocalyptic number.

13225220311 is a deficient number, since it is larger than the sum of its proper divisors (104135721).

13225220311 is a wasteful number, since it uses less digits than its factorization.

13225220311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104135720.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 13225220311 its reverse (11302252231), we get a palindrome (24527472542).

The spelling of 13225220311 in words is "thirteen billion, two hundred twenty-five million, two hundred twenty thousand, three hundred eleven".